Xurkitree #SM116 from SM Black Star Promos is a reverse holo promo card that currently sells for about $9.79 ungraded, with graded copies ranging from $9.38 at grade 7 to $74.01 at grade 10. A grade 10 copy sells for around $74.01, about 7.6× the $9.79 raw price, so high-grade copies are worth grading.